<template>
    <div>
        <!--   面包屑导航   -->
        <el-breadcrumb separator="/">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!--    卡片视图    -->
        <el-card>
            <!--     搜索框       -->
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddGoods">添加商品</el-button>
                </el-col>
            </el-row>
            <!--      table      -->
            <el-table :data="goods" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                <el-table-column label="商品价格(元)" prop="goods_price" width="90px"></el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="80px"></el-table-column>
                <el-table-column label="创建时间" prop="add_time" width="160px">
                    <template v-slot="scope">
                        {{scope.row.add_time|timeForm}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="120px">
                    <template v-slot="scope">
                        <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="delGood(scope.row.goods_id)"></el-button>
                    </template>
                </el-table-column>
            </el-table>
            <!--       分页器     -->
            <el-pagination
                    @size-change="handleSizeChange"
                    @current-change="handleCurrentChange"
                    :current-page="queryInfo.pagenum"
                    :page-sizes="[5, 10, 20, 50]"
                    :page-size="queryInfo.pagesize"
                    layout="total, sizes, prev, pager, next, jumper"
                    :total="total" background>
            </el-pagination>
        </el-card>
    </div>
</template>

<script>
    export default {
        name: "goods_list",
        data(){
            return{
                queryInfo:{
                    query:"",
                    pagenum:1,
                    pagesize:10
                },
                goods:[],
                total:0
            }
        },
        created() {
            this.getGoodsList()
        },
        methods:{
            //获取数据列表
            async getGoodsList(){
                var {data:res}=await this.$http.get('goods',{params:this.queryInfo})
                if (res.meta.status!==200)return this.$message.error('获取商品数据失败')
                this.goods=res.data.goods
                this.total=res.data.total
            },
            //监听分页符数量变化
            handleSizeChange(newSize){
                this.queryInfo.pagesize=newSize
                this.getGoodsList()
            },
            //监听分页符当前页改变
            handleCurrentChange(newNum){
                this.queryInfo.pagenum=newNum
                this.getGoodsList()
            },
            //根据id删除商品
            async delGood(id){
                var result=await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).catch(err=>err)
                if (result!=='confirm')return this.$message.info('取消了删除操作')
                var {data:res}=await this.$http.delete(`goods/${id}`)
                if (res.meta.status!==200)return this.$message.error('删除操作失败')
                this.$message.success('删除操作成功')
                this.getGoodsList()
            },
            //跳转到添加商品页面
            goAddGoods(){
                this.$router.push('/goods/add')
            }
        }
    }
</script>

<style lang="less" scoped>

</style>